1020121122 has 8 divisors (see below), whose sum is σ = 2040242256. Its totient is φ = 340040372.

The previous prime is 1020121111. The next prime is 1020121133. The reversal of 1020121122 is 2211210201.

It is an interprime number because it is at equal distance from previous prime (1020121111) and next prime (1020121133).

It is a sphenic number, since it is the product of 3 distinct primes.

1020121122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1020121098 and 1020121107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85010088 + ... + 85010099.

It is an arithmetic number, because the mean of its divisors is an integer number (255030282).

Almost surely, 2^1020121122 is an apocalyptic number.

1020121122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020121122 is a wasteful number, since it uses less digits than its factorization.

1020121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170020192.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1020121122 is about 31939.3350275174. The cubic root of 1020121122 is about 1006.6625524784.

Adding to 1020121122 its reverse (2211210201), we get a palindrome (3231331323).

The spelling of 1020121122 in words is "one billion, twenty million, one hundred twenty-one thousand, one hundred twenty-two".